Response of Soil Phage Communities and Prokaryote–Phage Interactions to Long-Term Drought
Environmental Science & Technology,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 7, 2025
Soil
moisture
is
a
fundamental
factor
affecting
terrestrial
ecosystem
functions.
In
this
study,
microscopic
enumeration
and
joint
metaviromic
metagenomic
sequencing
were
employed
together
to
investigate
the
impact
of
prolonged
drought
on
soil
phage
communities
their
interactions
with
prokaryotes
in
subtropical
evergreen
forest.
Our
findings
revealed
marked
reduction
abundances
prokaryotic
viral-like
particles,
by
73.1%
75.2%,
respectively,
significantly
altered
structure
under
drought.
Meanwhile,
substantially
increased
fraction
containing
lysogenic
phages
163%,
as
well
proportion
temperate
phages.
Nonetheless,
likely
amplified
negative
prokaryote-phage
given
nearly
doubled
links
co-occurrence
network,
higher
frequency
diversity
antiphage
defense
systems
found
genomes.
Under
drought,
exerted
greater
top-down
control
typical
k-strategists
including
Acidobacteria
Chloroflexi.
Moreover,
phage-encoded
auxiliary
metabolic
genes
may
host
metabolism
biosynthesis-related
Collectively,
study
underscore
profound
interactions.
These
results
also
emphasize
importance
managing
levels
during
amendment
microbiome
manipulation
account
for
influence
Language: Английский
Targeted viromes and total metagenomes capture distinct components of bee gut phage communities
Microbiome,
Journal Year:
2024,
Volume and Issue:
12(1)
Published: Aug. 23, 2024
Abstract
Background
Despite
being
among
the
most
abundant
biological
entities
on
earth,
bacteriophage
(phage)
remain
an
understudied
component
of
host-associated
systems.
One
limitation
to
studying
phage
is
lack
consensus
methods
for
sampling
communities.
Here,
we
compare
paired
total
metagenomes
and
viral
size
fraction
(viromes)
as
investigating
dsDNA
communities
associated
with
GI
tract
two
bee
species:
European
honey
Apis
mellifera
eastern
bumble
Bombus
impatiens
.
Results
We
find
that
viromes
successfully
enriched
phage,
thereby
increasing
recovery,
but
only
in
bees.
In
contrast,
bees,
recovered
greater
diversity.
Across
both
species,
better
sampled
low
occupancy
while
were
biased
towards
temperate
phage.
Additionally,
many
captured
by
absent
altogether
from
viromes.
Comparing
between
show
commercially
reared
bees
are
significantly
reduced
diversity
compared
likely
reflecting
differences
bacterial
titer
a
broader
context,
these
results
highlight
complementary
nature
targeted
viromes,
especially
when
applied
environments.
Conclusions
Overall,
suggest
studies
interested
assessing
should
consider
using
approaches.
However,
given
constraints
virome
sampling,
may
serve
sample
understanding
they
will
preferentially
dominant
Language: Английский
Targeted Viromes and Total Metagenomes Capture Distinct Components of Bee Gut Phage Communities
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Feb. 12, 2024
Abstract
Despite
being
among
the
most
abundant
biological
entities
on
earth,
bacteriophage
(phage)
remain
an
understudied
component
of
host-associated
systems.
One
limitation
to
studying
phage
is
lack
consensus
methods
for
sampling
communities.
Here,
we
compare
paired
total
metagenomes
and
viral
size
fraction
(viromes)
as
investigating
dsDNA
communities
associated
with
GI
tract
two
bee
species:
European
honey
Apis
mellifera
eastern
bumble
Bombus
impatiens
.
We
find
that
viromes
successfully
enriched
phage,
thereby
increasing
recovery,
but
only
in
bees.
In
contrast,
bees,
recovered
greater
diversity.
Across
both
species,
better
sampled
low
abundance
occupancy
while
were
biased
towards
temperate
prominent
phage.
Additionally,
many
captured
by
absent
altogether
from
viromes.
Comparing
between
show
commercially
reared
bees
are
significantly
reduced
diversity
compared
likely
reflecting
differences
bacterial
titer
a
broader
context,
these
results
highlight
complementary
nature
targeted
viromes,
especially
when
applied
environments.
Overall,
suggest
studies
interested
assessing
should
consider
using
approaches.
However,
given
constraints
virome
sampling,
may
serve
sample
understanding
they
will
preferentially
dominant
Language: Английский
Phage communities in household-related biofilms correlate with bacterial hosts
Frontiers in Microbiomes,
Journal Year:
2024,
Volume and Issue:
3
Published: Oct. 9, 2024
The
average
American
spends
93%
of
their
time
in
built
environments,
almost
70%
that
is
place
residence.
Human
health
and
well-being
are
intrinsically
tied
to
the
quality
our
personal
environments
microbiomes
populate
them.
Conversely,
environment
microbiome
seeded,
formed,
re-shaped
by
occupant
behavior,
cleaning,
hygiene
food
choices,
as
well
geographic
location
variability
infrastructure.
Here,
we
focus
on
presence
viruses
household
biofilms,
specifically
showerheads
toothbrushes.
Bacteriophage,
infect
bacteria
with
high
host
specificity,
have
been
shown
drive
microbial
community
structure
function
through
infection
horizontal
gene
transfer
environmental
systems.
Due
dynamic
environment,
extreme
temperature
changes,
periods
wetting/drying
exposure
hygiene/cleaning
products,
addition
low
biomass
transient
nature
indoor
microbiomes,
hypothesize
phage
these
unique
different
from
biofilm
interactions.
We
approach
hypothesis
using
metagenomics,
querying
34
toothbrush
92
showerhead
metagenomes.
Representative
biofilms
interfaces
demonstrate
distinct
levels
interaction.
identified
22
complete,
232
quality,
362
medium
viral
OTUs.
Viral
richness
correlated
bacterial
but
not
Shannon
or
Simpson
indices.
Of
OTUs
sufficient
coverage
(614),
532
were
connected
32
families,
which
only
Sphingomonadaceae,
Burkholderiaceae,
Caulobacteraceae
found
both
toothbrushes
showerheads.
Low
nucleotide
identity
reference
sequences
a
proportion
open
reading
frames
annotated
hypothetical
unknown
indicate
harbor
many
novel
uncharacterized
phage.
results
this
study
reveal
paucity
information
available
bacteriophage
need
for
more
virus-focused
methods
DNA
extraction
specific
sequencing
aimed
at
understanding
impact
environment.
Language: Английский